Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now atomic unit of schedulingall container in pod share the pod environment. anything attached to pod, all container can use it.it can contain one or more containers.pod can have tight coupling- loose coupling.pods are atomic, you can scale the port from 1 to many.pods are the application which can access through n/w.pods contain container. and

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kubelet: just like a slave. the main kubernetes agent. register node with cluster- master approves it. watches api server.kubelet will talk to api server with health status.instantiate pods – not creation. pod is the logical unit of cluster. exposes end points on 10255.container engine: does container management. ex:dockerkube proxy: it assign pod ip address,

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now API server : It is the front end for the Kubernetes control plane, exposes the Kubernetes API. All other components interact with api server. SchedulerThis is one of the key components of Kubernetes master. It is a service in master responsible for distributing the workload. Controller ManagerControls the Kubernetes cluster. It includes the Endpoints

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now api server: all the feature available at api server. , front end to control plane. anything want to master , can send to api server.it can be using http, it consumes json file. internally it communicates with each other.cluster store:any req is send is stored here. internal communication(worker to master etc.) also stored here.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now k8s is container orchestration toolworkload placement ,k8s helping infrastructure abstractionhelp to manage desired stateself healing, replace with desired stateautomatic rollback/rollouts – rollback the feature / versionauto scaling – 5 container to 50 container can be doneload balancing of container/podshigh speed of deployment. upgrade/ability to rollbackstorage orchestration.

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Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Pods Pods are the smallest deployable units of computing that you can create and manage in Kubernetes. A Pod (as in a pod of whales or pea pod) is a group of one or more containers, with shared storage and network resources, and a specification for how to run the containers. A Pod’s contents are always co-located and

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kube-apiserver The API server is a component of the Kubernetes control plane that exposes the Kubernetes API. The API server is the front end for the Kubernetes control plane. The main implementation of a Kubernetes API server is kube-apiserver. kube-apiserver is designed to scale horizontally—that is, it scales by deploying more instances. You can run several instances

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now A pod is a unit which can have one or more unit which can be runIt will have a unique IPIt will have config info for a containerThe pod initialize the containerThe will in running state when the container is started.The pod ceases to exist when the container is terminatedPod can not be restarted,

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Write down 10 features of Kubernetes with image Helps manage large clusters Load balancing Service discovery Self monitoring Security Storage services Automated rollbacks Optimum resource utilization Auto scalable Predictable What are the components of Kubernetes master and explain each component’s function?API Server-All requests come to API server. REST based.etcd-storage for cluster configuration and stateController-keeps

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Pods 2. Master and worker nodes 3. Scalable 4. load balancer 5. Cluster 6. Containers 7. Self healing 8. Service

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kube-proxy kube-proxy is a network proxy that runs on each node in your cluster, implementing part of the Kubernetes Service concept. kube-proxy maintains network rules on nodes. These network rules allow network communication to your Pods from network sessions inside or outside of your cluster. kube-proxy uses the operating system packet filtering layer if there is one and it’s

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Components of kubernetes worker Kubelet-Kubelet runs the pods in worker node Container Engine – Runs the containers in the pods.eg docker,rkt etc Kube proxy- Kube proxy provide pods IP address and load balances all pods in a service

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now A pod is the smallest execution unit in Kubernetes. A Kubernetes pod is a collection of one or more Linux® containers, and is the smallest unit of a Kubernetes application. A pod encapsulates one or more applications. Pods are ephemeral by nature, if a pod (or the node it executes on) fails, Kubernetes can automatically create a

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now API Server Its process the incoming API request from UI/CLI It Uses RESTAPI Controller Controls the Kubernetes cluster Kubernetes include the Endpoints Controller, Replication Controller, and Namespace Controller observes the state of the cluster scheduler Schedules Pods Scheduler maintains the work Cluser store permanent storage for Cluster config

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now The components of K8s worker node are1. kubelet – Kublet is the main K8s agent. It instantiate the pods in the node(only instantiate not create). It helps to register nodes with cluster. Its always watch the api server.It decides who is the master.10255 is the endpoint.2. kube-proxy – Its support for K8s networking. It

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now In a Kubernetes cluster, we package our application and give it to the “Master”.Master will distribute it to the nodes (minions) which do the actual work. In the Master (representation above), there is a Control plane which has 4 components: API ServerActs as the entry point to the control plane.It exposes a REST API

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now A pod is the smallest execution unit in Kubernetes A Pod (as in a pod of whales or pea pod) is a group of one or more containers, with shared storage and network resources, and a specification for how to run the containers.  Pods can communicate with each other by using another pods IP address or by referencing

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now kubelet : This component ensure that containers are running in the podkube-proxy : This the network proxy that is running on each nodeDocker or any container runtime : this will run the docker/ any other container